NF S30-007-3*NF EN ISO 389-3:2016 Acoustics - Reference zero for the calibration of audiometric equipment - Part 3 : reference equivalent threshold vibratory force levels for pure tones and bone vibrators
2016NF S30-007-3*NF EN ISO 389-3:2016 Acoustics - Reference zero for the calibration of audiometric equipment - Part 3 : reference equivalent threshold vibratory force levels for pure tones and bone vibrators